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Amiraneli [1.4K]
3 years ago
14

Midterm Part 1

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

Answer:

Step-by-step explanation: ok

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Which statement is true?
Dafna11 [192]

Answer:

The answer is B.

Step-by-step explanation:

28 is more than double 12.

12+ 12 = 24

28 is larger than 24, therefor more than double of 12

So, Statement B is true

8 0
3 years ago
An airplane is flying at an altitude of 33,000 feet. It needs to reduce its altitude by 6% to avoid some turbulence. After it pa
Tema [17]

Step-by-step explanation:

100% = 33,000 ft

1% = 100%/100 = 33000/100 = 330 ft

6% = 1% × 6 = 330 × 6 = 1980 ft

that means the plane has to go down 1980 ft to

33,000 - 1980 = 31,020 ft

and then it goes up by 5000 ft :

31,020 + 5000 = 36,020 ft

that is the final altitude.

5 0
2 years ago
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Lance bought 12 cases of juice for a total of $58. Approximately, how much does each case of juice cost?
faust18 [17]

Answer: approximately 5

Step-by-step explanation

3 0
4 years ago
The endpoints of a diameter of a circle are A(2,1) and B(5,5). Find the area of the circle in terms of pi.
Tcecarenko [31]

Answer:

The area of the circle is A=6.25\pi\ units^{2}

Step-by-step explanation:

step 1

Find the diameter of circle

we know that

The diameter of the circle is equal to the distance AB

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

substitute the values

AB=\sqrt{(5-1)^{2}+(5-2)^{2}}

AB=\sqrt{(4)^{2}+(3)^{2}}

AB=\sqrt{25}

AB=5\ units

therefore

the diameter of the circle is

D=5\ units  

step 2

Find the area of the circle

The area of the circle is equal to

A=\pi r^{2}

r=5/2=2.5\ units  ----> the radius is half the diameter

substitute

A=\pi (2.5)^{2}

A=6.25\pi\ units^{2}

4 0
3 years ago
Select the graph that represents a proportional relationship
denpristay [2]

Answer: B

The graph of the proportional relationship equation is a straight line through the origin.

I hope this is good enough:

7 0
3 years ago
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